upseerin
Upseerin is a term that emerged from Finnish military slang. It generally refers to someone who is either an officer or is aspiring to be an officer within the Finnish Defence Forces. The word itself is a direct derivative of the Finnish word "upseeri," meaning "officer."
The usage of "upseerin" can be quite broad. It might be used by conscripts to refer to
The term is not typically used in formal military documents or official communication. Instead, it's a part